Enbridge Energy

In the news: Proposed a new pipeline from western North Dakota oil fields, across Minnesota to Superior, Wis.

Minnesota assets: Pipelines across northern Minnesota and a terminal at Clearbrook, 95 miles east of Grand Forks.

History: First Edmonton-Clearbrook-Superior oil pipeline opened in 1950; five parallel lines were added later, the last in 2010. Oil pipeline from Minot, N.D., built 1962, later acquired and expanded by Enbridge.